About the Execution of GreatSPN+red for DBSingleClientW-PT-d2m09
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1351.428 | 221258.00 | 308171.00 | 443.00 | 1 1 0 1 0 1 1 0 0 0 0 0 0 1 1 0 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r091-tall-171624188000589.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is DBSingleClientW-PT-d2m09, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r091-tall-171624188000589
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 8.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Apr 22 14:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 22 14:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 12 12:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Apr 12 12:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Apr 12 12:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Apr 12 12:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.6M May 18 16:42 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1716306114131
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m09
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 15:41:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-21 15:41:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 15:41:55] [INFO ] Load time of PNML (sax parser for PT used): 223 ms
[2024-05-21 15:41:55] [INFO ] Transformed 4763 places.
[2024-05-21 15:41:55] [INFO ] Transformed 2478 transitions.
[2024-05-21 15:41:55] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 340 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Deduced a syphon composed of 3580 places in 25 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 2478 rows 1183 cols
[2024-05-21 15:41:55] [INFO ] Computed 6 invariants in 193 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[9, 3032, 7, 7, 7, 7, 3032]
RANDOM walk for 10000 steps (2286 resets) in 298 ms. (33 steps per ms)
BEST_FIRST walk for 70002 steps (6525 resets) in 387 ms. (180 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[9, 3032, 7, 7, 7, 7, 3032]
[2024-05-21 15:41:56] [INFO ] Invariant cache hit.
[2024-05-21 15:41:56] [INFO ] [Real]Absence check using 2 positive place invariants in 16 ms returned sat
[2024-05-21 15:41:57] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 15 ms returned sat
[2024-05-21 15:41:57] [INFO ] [Real]Absence check using state equation in 665 ms returned sat
[2024-05-21 15:41:58] [INFO ] State equation strengthened by 1588 read => feed constraints.
[2024-05-21 15:41:58] [INFO ] [Real]Added 1588 Read/Feed constraints in 788 ms returned sat
[2024-05-21 15:41:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:41:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 12 ms returned sat
[2024-05-21 15:41:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-21 15:41:59] [INFO ] [Nat]Absence check using state equation in 660 ms returned sat
[2024-05-21 15:42:00] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1011 ms returned sat
[2024-05-21 15:42:01] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 702 ms.
[2024-05-21 15:42:02] [INFO ] Added : 15 causal constraints over 3 iterations in 1866 ms. Result :sat
Minimization took 638 ms.
[2024-05-21 15:42:03] [INFO ] [Real]Absence check using 2 positive place invariants in 17 ms returned sat
[2024-05-21 15:42:03] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-21 15:42:04] [INFO ] [Real]Absence check using state equation in 676 ms returned sat
[2024-05-21 15:42:05] [INFO ] [Real]Added 1588 Read/Feed constraints in 740 ms returned sat
[2024-05-21 15:42:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:05] [INFO ] [Nat]Absence check using 2 positive place invariants in 12 ms returned sat
[2024-05-21 15:42:05] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-21 15:42:05] [INFO ] [Nat]Absence check using state equation in 661 ms returned sat
[2024-05-21 15:42:06] [INFO ] [Nat]Added 1588 Read/Feed constraints in 854 ms returned sat
[2024-05-21 15:42:07] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 665 ms.
[2024-05-21 15:42:08] [INFO ] Added : 13 causal constraints over 3 iterations in 1225 ms. Result :sat
Minimization took 633 ms.
[2024-05-21 15:42:08] [INFO ] [Real]Absence check using 2 positive place invariants in 11 ms returned sat
[2024-05-21 15:42:08] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 15 ms returned sat
[2024-05-21 15:42:09] [INFO ] [Real]Absence check using state equation in 525 ms returned sat
[2024-05-21 15:42:10] [INFO ] [Real]Added 1588 Read/Feed constraints in 653 ms returned sat
[2024-05-21 15:42:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 12 ms returned sat
[2024-05-21 15:42:10] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-21 15:42:10] [INFO ] [Nat]Absence check using state equation in 598 ms returned sat
[2024-05-21 15:42:11] [INFO ] [Nat]Added 1588 Read/Feed constraints in 727 ms returned sat
[2024-05-21 15:42:12] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 486 ms.
[2024-05-21 15:42:12] [INFO ] Added : 2 causal constraints over 1 iterations in 760 ms. Result :sat
Minimization took 768 ms.
[2024-05-21 15:42:13] [INFO ] [Real]Absence check using 2 positive place invariants in 12 ms returned sat
[2024-05-21 15:42:13] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 10 ms returned sat
[2024-05-21 15:42:14] [INFO ] [Real]Absence check using state equation in 629 ms returned sat
[2024-05-21 15:42:14] [INFO ] [Real]Added 1588 Read/Feed constraints in 669 ms returned sat
[2024-05-21 15:42:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:14] [INFO ] [Nat]Absence check using 2 positive place invariants in 11 ms returned sat
[2024-05-21 15:42:14] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-21 15:42:15] [INFO ] [Nat]Absence check using state equation in 632 ms returned sat
[2024-05-21 15:42:16] [INFO ] [Nat]Added 1588 Read/Feed constraints in 605 ms returned sat
[2024-05-21 15:42:16] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 412 ms.
[2024-05-21 15:42:16] [INFO ] Added : 2 causal constraints over 1 iterations in 686 ms. Result :sat
Minimization took 632 ms.
[2024-05-21 15:42:17] [INFO ] [Real]Absence check using 2 positive place invariants in 11 ms returned sat
[2024-05-21 15:42:17] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-21 15:42:18] [INFO ] [Real]Absence check using state equation in 701 ms returned sat
[2024-05-21 15:42:19] [INFO ] [Real]Added 1588 Read/Feed constraints in 706 ms returned sat
[2024-05-21 15:42:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:19] [INFO ] [Nat]Absence check using 2 positive place invariants in 12 ms returned sat
[2024-05-21 15:42:19] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 14 ms returned sat
[2024-05-21 15:42:20] [INFO ] [Nat]Absence check using state equation in 678 ms returned sat
[2024-05-21 15:42:20] [INFO ] [Nat]Added 1588 Read/Feed constraints in 822 ms returned sat
[2024-05-21 15:42:21] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 409 ms.
[2024-05-21 15:42:23] [INFO ] Deduced a trap composed of 51 places in 835 ms of which 69 ms to minimize.
[2024-05-21 15:42:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1111 ms
[2024-05-21 15:42:23] [INFO ] Added : 14 causal constraints over 3 iterations in 2335 ms. Result :sat
Minimization took 631 ms.
[2024-05-21 15:42:24] [INFO ] [Real]Absence check using 2 positive place invariants in 12 ms returned sat
[2024-05-21 15:42:24] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 10 ms returned sat
[2024-05-21 15:42:24] [INFO ] [Real]Absence check using state equation in 550 ms returned sat
[2024-05-21 15:42:25] [INFO ] [Real]Added 1588 Read/Feed constraints in 758 ms returned sat
[2024-05-21 15:42:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:25] [INFO ] [Nat]Absence check using 2 positive place invariants in 12 ms returned sat
[2024-05-21 15:42:25] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-21 15:42:26] [INFO ] [Nat]Absence check using state equation in 566 ms returned sat
[2024-05-21 15:42:27] [INFO ] [Nat]Added 1588 Read/Feed constraints in 712 ms returned sat
[2024-05-21 15:42:27] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 608 ms.
[2024-05-21 15:42:28] [INFO ] Added : 2 causal constraints over 1 iterations in 872 ms. Result :sat
Minimization took 689 ms.
[2024-05-21 15:42:28] [INFO ] [Real]Absence check using 2 positive place invariants in 11 ms returned sat
[2024-05-21 15:42:28] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-21 15:42:29] [INFO ] [Real]Absence check using state equation in 641 ms returned sat
[2024-05-21 15:42:30] [INFO ] [Real]Added 1588 Read/Feed constraints in 750 ms returned sat
[2024-05-21 15:42:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:30] [INFO ] [Nat]Absence check using 2 positive place invariants in 13 ms returned sat
[2024-05-21 15:42:30] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 11 ms returned sat
[2024-05-21 15:42:31] [INFO ] [Nat]Absence check using state equation in 648 ms returned sat
[2024-05-21 15:42:32] [INFO ] [Nat]Added 1588 Read/Feed constraints in 875 ms returned sat
[2024-05-21 15:42:32] [INFO ] Deduced a trap composed of 204 places in 702 ms of which 10 ms to minimize.
[2024-05-21 15:42:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 853 ms
[2024-05-21 15:42:33] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 398 ms.
[2024-05-21 15:42:34] [INFO ] Deduced a trap composed of 208 places in 634 ms of which 8 ms to minimize.
[2024-05-21 15:42:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 807 ms
[2024-05-21 15:42:35] [INFO ] Added : 13 causal constraints over 4 iterations in 2010 ms. Result :sat
Minimization took 427 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[9, 3032, 7, 7, 7, 7, 3032]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[9, 3032, 7, 7, 7, 7, 3032]
Support contains 7 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1137 are kept as prefixes of interest. Removing 46 places using SCC suffix rule.9 ms
Discarding 46 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 196 transitions
Reduce isomorphic transitions removed 214 transitions.
Iterating post reduction 0 with 214 rules applied. Total rules applied 215 place count 1137 transition count 2264
Discarding 389 places :
Symmetric choice reduction at 1 with 389 rule applications. Total rules 604 place count 748 transition count 1204
Iterating global reduction 1 with 389 rules applied. Total rules applied 993 place count 748 transition count 1204
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 1002 place count 748 transition count 1195
Discarding 312 places :
Symmetric choice reduction at 2 with 312 rule applications. Total rules 1314 place count 436 transition count 883
Iterating global reduction 2 with 312 rules applied. Total rules applied 1626 place count 436 transition count 883
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1638 place count 436 transition count 871
Discarding 236 places :
Symmetric choice reduction at 3 with 236 rule applications. Total rules 1874 place count 200 transition count 540
Iterating global reduction 3 with 236 rules applied. Total rules applied 2110 place count 200 transition count 540
Ensure Unique test removed 208 transitions
Reduce isomorphic transitions removed 208 transitions.
Iterating post reduction 3 with 208 rules applied. Total rules applied 2318 place count 200 transition count 332
Discarding 24 places :
Symmetric choice reduction at 4 with 24 rule applications. Total rules 2342 place count 176 transition count 293
Iterating global reduction 4 with 24 rules applied. Total rules applied 2366 place count 176 transition count 293
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2372 place count 176 transition count 287
Discarding 14 places :
Symmetric choice reduction at 5 with 14 rule applications. Total rules 2386 place count 162 transition count 273
Iterating global reduction 5 with 14 rules applied. Total rules applied 2400 place count 162 transition count 273
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 2403 place count 162 transition count 270
Discarding 12 places :
Symmetric choice reduction at 6 with 12 rule applications. Total rules 2415 place count 150 transition count 258
Iterating global reduction 6 with 12 rules applied. Total rules applied 2427 place count 150 transition count 258
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 2437 place count 150 transition count 248
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 2441 place count 146 transition count 232
Iterating global reduction 7 with 4 rules applied. Total rules applied 2445 place count 146 transition count 232
Applied a total of 2445 rules in 265 ms. Remains 146 /1183 variables (removed 1037) and now considering 232/2478 (removed 2246) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 281 ms. Remains : 146/1183 places, 232/2478 transitions.
// Phase 1: matrix 232 rows 146 cols
[2024-05-21 15:42:35] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[9, 3032, 7, 7, 7, 7, 3032]
RANDOM walk for 1000000 steps (229711 resets) in 1516 ms. (659 steps per ms)
BEST_FIRST walk for 7000003 steps (666121 resets) in 4855 ms. (1441 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 1, 1, 0, 1, 0] Max Struct:[9, 3032, 7, 7, 7, 7, 3032]
[2024-05-21 15:42:42] [INFO ] Invariant cache hit.
[2024-05-21 15:42:42] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 5 ms returned sat
[2024-05-21 15:42:42] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-21 15:42:42] [INFO ] State equation strengthened by 88 read => feed constraints.
[2024-05-21 15:42:42] [INFO ] [Real]Added 88 Read/Feed constraints in 17 ms returned sat
[2024-05-21 15:42:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:42] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:42] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2024-05-21 15:42:42] [INFO ] [Nat]Added 88 Read/Feed constraints in 24 ms returned sat
[2024-05-21 15:42:42] [INFO ] Computed and/alt/rep : 57/155/57 causal constraints (skipped 174 transitions) in 14 ms.
[2024-05-21 15:42:42] [INFO ] Added : 12 causal constraints over 4 iterations in 79 ms. Result :sat
Minimization took 153 ms.
[2024-05-21 15:42:42] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:42] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-21 15:42:42] [INFO ] [Real]Added 88 Read/Feed constraints in 14 ms returned sat
[2024-05-21 15:42:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:42] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:42] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2024-05-21 15:42:42] [INFO ] [Nat]Added 88 Read/Feed constraints in 15 ms returned sat
[2024-05-21 15:42:42] [INFO ] Computed and/alt/rep : 57/155/57 causal constraints (skipped 174 transitions) in 14 ms.
[2024-05-21 15:42:42] [INFO ] Added : 13 causal constraints over 3 iterations in 69 ms. Result :sat
Minimization took 144 ms.
[2024-05-21 15:42:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2024-05-21 15:42:43] [INFO ] [Real]Absence check using state equation in 30 ms returned unsat
[2024-05-21 15:42:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:43] [INFO ] [Real]Absence check using state equation in 30 ms returned unsat
[2024-05-21 15:42:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:43] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-21 15:42:43] [INFO ] [Real]Added 88 Read/Feed constraints in 16 ms returned sat
[2024-05-21 15:42:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:43] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:43] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2024-05-21 15:42:43] [INFO ] [Nat]Added 88 Read/Feed constraints in 24 ms returned sat
[2024-05-21 15:42:43] [INFO ] Computed and/alt/rep : 57/155/57 causal constraints (skipped 174 transitions) in 16 ms.
[2024-05-21 15:42:43] [INFO ] Added : 16 causal constraints over 4 iterations in 99 ms. Result :sat
Minimization took 138 ms.
[2024-05-21 15:42:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:43] [INFO ] [Real]Absence check using state equation in 28 ms returned unsat
[2024-05-21 15:42:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:43] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-05-21 15:42:43] [INFO ] [Real]Added 88 Read/Feed constraints in 19 ms returned sat
[2024-05-21 15:42:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:43] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-21 15:42:43] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2024-05-21 15:42:44] [INFO ] [Nat]Added 88 Read/Feed constraints in 22 ms returned sat
[2024-05-21 15:42:44] [INFO ] Computed and/alt/rep : 57/155/57 causal constraints (skipped 174 transitions) in 15 ms.
[2024-05-21 15:42:44] [INFO ] Added : 13 causal constraints over 3 iterations in 81 ms. Result :sat
Minimization took 137 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 1, 1, 0, 1, 0] Max Struct:[9, 3032, 1, 1, 7, 1, 3032]
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[9, 3032, 7, 3032]
Support contains 4 out of 146 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 146/146 places, 232/232 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 143 transition count 229
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 143 transition count 229
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 9 place count 140 transition count 220
Iterating global reduction 0 with 3 rules applied. Total rules applied 12 place count 140 transition count 220
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 140 transition count 218
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 17 place count 137 transition count 215
Iterating global reduction 1 with 3 rules applied. Total rules applied 20 place count 137 transition count 215
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 23 place count 134 transition count 212
Iterating global reduction 1 with 3 rules applied. Total rules applied 26 place count 134 transition count 212
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 30 place count 134 transition count 208
Applied a total of 30 rules in 23 ms. Remains 134 /146 variables (removed 12) and now considering 208/232 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 134/146 places, 208/232 transitions.
// Phase 1: matrix 208 rows 134 cols
[2024-05-21 15:42:44] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[9, 3032, 7, 3032]
RANDOM walk for 1000000 steps (230102 resets) in 1349 ms. (740 steps per ms)
BEST_FIRST walk for 4000001 steps (382748 resets) in 2466 ms. (1621 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[9, 3032, 7, 3032]
[2024-05-21 15:42:48] [INFO ] Invariant cache hit.
[2024-05-21 15:42:48] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:48] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-21 15:42:48] [INFO ] State equation strengthened by 83 read => feed constraints.
[2024-05-21 15:42:48] [INFO ] [Real]Added 83 Read/Feed constraints in 14 ms returned sat
[2024-05-21 15:42:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:48] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-21 15:42:48] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2024-05-21 15:42:48] [INFO ] [Nat]Added 83 Read/Feed constraints in 14 ms returned sat
[2024-05-21 15:42:48] [INFO ] Computed and/alt/rep : 51/123/51 causal constraints (skipped 156 transitions) in 16 ms.
[2024-05-21 15:42:48] [INFO ] Added : 13 causal constraints over 3 iterations in 74 ms. Result :sat
Minimization took 140 ms.
[2024-05-21 15:42:48] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:48] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-21 15:42:48] [INFO ] [Real]Added 83 Read/Feed constraints in 9 ms returned sat
[2024-05-21 15:42:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:48] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:48] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2024-05-21 15:42:48] [INFO ] [Nat]Added 83 Read/Feed constraints in 14 ms returned sat
[2024-05-21 15:42:48] [INFO ] Computed and/alt/rep : 51/123/51 causal constraints (skipped 156 transitions) in 14 ms.
[2024-05-21 15:42:48] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 1 ms to minimize.
[2024-05-21 15:42:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
[2024-05-21 15:42:49] [INFO ] Added : 9 causal constraints over 2 iterations in 137 ms. Result :sat
Minimization took 145 ms.
[2024-05-21 15:42:49] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-21 15:42:49] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-21 15:42:49] [INFO ] [Real]Added 83 Read/Feed constraints in 14 ms returned sat
[2024-05-21 15:42:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:49] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-21 15:42:49] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2024-05-21 15:42:49] [INFO ] [Nat]Added 83 Read/Feed constraints in 18 ms returned sat
[2024-05-21 15:42:49] [INFO ] Computed and/alt/rep : 51/123/51 causal constraints (skipped 156 transitions) in 13 ms.
[2024-05-21 15:42:49] [INFO ] Added : 13 causal constraints over 3 iterations in 87 ms. Result :sat
Minimization took 142 ms.
[2024-05-21 15:42:49] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-21 15:42:49] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-21 15:42:49] [INFO ] [Real]Added 83 Read/Feed constraints in 13 ms returned sat
[2024-05-21 15:42:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:42:49] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:42:49] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-21 15:42:49] [INFO ] [Nat]Added 83 Read/Feed constraints in 18 ms returned sat
[2024-05-21 15:42:49] [INFO ] Computed and/alt/rep : 51/123/51 causal constraints (skipped 156 transitions) in 13 ms.
[2024-05-21 15:42:49] [INFO ] Deduced a trap composed of 17 places in 66 ms of which 3 ms to minimize.
[2024-05-21 15:42:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 96 ms
[2024-05-21 15:42:49] [INFO ] Added : 12 causal constraints over 3 iterations in 172 ms. Result :sat
Minimization took 148 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[9, 3032, 7, 3032]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[9, 3032, 7, 3032]
Support contains 4 out of 134 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 134/134 places, 208/208 transitions.
Applied a total of 0 rules in 7 ms. Remains 134 /134 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 134/134 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 134/134 places, 208/208 transitions.
Applied a total of 0 rules in 6 ms. Remains 134 /134 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-21 15:42:50] [INFO ] Invariant cache hit.
[2024-05-21 15:42:50] [INFO ] Implicit Places using invariants in 105 ms returned []
[2024-05-21 15:42:50] [INFO ] Invariant cache hit.
[2024-05-21 15:42:50] [INFO ] State equation strengthened by 83 read => feed constraints.
[2024-05-21 15:42:50] [INFO ] Implicit Places using invariants and state equation in 298 ms returned []
Implicit Place search using SMT with State Equation took 405 ms to find 0 implicit places.
[2024-05-21 15:42:50] [INFO ] Redundant transitions in 7 ms returned []
Running 207 sub problems to find dead transitions.
[2024-05-21 15:42:50] [INFO ] Invariant cache hit.
[2024-05-21 15:42:50] [INFO ] State equation strengthened by 83 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 2 (OVERLAPS) 1/133 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 4 (OVERLAPS) 208/341 variables, 133/135 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 83/218 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 7 (OVERLAPS) 1/342 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/342 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 9 (OVERLAPS) 0/342 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 207 unsolved
No progress, stopping.
After SMT solving in domain Real declared 342/342 variables, and 219 constraints, problems are : Problem set: 0 solved, 207 unsolved in 12441 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 134/134 constraints, ReadFeed: 83/83 constraints, PredecessorRefiner: 207/207 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 207 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 2 (OVERLAPS) 1/133 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 4 (OVERLAPS) 208/341 variables, 133/135 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 83/218 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 191/409 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 8 (OVERLAPS) 1/342 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/342 variables, 16/426 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/342 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 207 unsolved
At refinement iteration 11 (OVERLAPS) 0/342 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 207 unsolved
No progress, stopping.
After SMT solving in domain Int declared 342/342 variables, and 426 constraints, problems are : Problem set: 0 solved, 207 unsolved in 24969 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 134/134 constraints, ReadFeed: 83/83 constraints, PredecessorRefiner: 207/207 constraints, Known Traps: 0/0 constraints]
After SMT, in 37825ms problems are : Problem set: 0 solved, 207 unsolved
Search for dead transitions found 0 dead transitions in 37835ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38271 ms. Remains : 134/134 places, 208/208 transitions.
RANDOM walk for 40000 steps (9215 resets) in 1218 ms. (32 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (3730 resets) in 294 ms. (135 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3839 resets) in 230 ms. (173 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3900 resets) in 213 ms. (186 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3792 resets) in 284 ms. (140 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3816 resets) in 201 ms. (198 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (3782 resets) in 86 ms. (459 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (3708 resets) in 129 ms. (307 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3888 resets) in 130 ms. (305 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 1031971 steps, run timeout after 3001 ms. (steps per millisecond=343 ) properties seen :4 out of 8
Probabilistic random walk after 1031971 steps, saw 416351 distinct states, run finished after 3004 ms. (steps per millisecond=343 ) properties seen :4
[2024-05-21 15:43:32] [INFO ] Invariant cache hit.
[2024-05-21 15:43:32] [INFO ] State equation strengthened by 83 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 75/79 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 15/94 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 138/232 variables, 94/96 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
After SMT solving in domain Real declared 333/342 variables, and 131 constraints, problems are : Problem set: 4 solved, 0 unsolved in 582 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/134 constraints, ReadFeed: 0/83 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 588ms problems are : Problem set: 4 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0, 0, 0, 0] Max Struct:[9, 3032, 7, 3032]
Starting property specific reduction for DBSingleClientW-PT-d2m09-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[9]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[9]
[2024-05-21 15:43:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[9]
RANDOM walk for 10000 steps (2288 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10000 steps (992 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[9]
[2024-05-21 15:43:33] [INFO ] Invariant cache hit.
[2024-05-21 15:43:33] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:43:33] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-21 15:43:33] [INFO ] State equation strengthened by 83 read => feed constraints.
[2024-05-21 15:43:33] [INFO ] [Real]Added 83 Read/Feed constraints in 12 ms returned sat
[2024-05-21 15:43:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:43:33] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:43:33] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2024-05-21 15:43:33] [INFO ] [Nat]Added 83 Read/Feed constraints in 25 ms returned sat
[2024-05-21 15:43:33] [INFO ] Computed and/alt/rep : 51/123/51 causal constraints (skipped 156 transitions) in 28 ms.
[2024-05-21 15:43:33] [INFO ] Added : 13 causal constraints over 3 iterations in 100 ms. Result :sat
Minimization took 216 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[9]
Support contains 1 out of 134 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 134/134 places, 208/208 transitions.
Graph (complete) has 465 edges and 134 vertex of which 133 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 133 transition count 206
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 6 place count 130 transition count 199
Iterating global reduction 1 with 3 rules applied. Total rules applied 9 place count 130 transition count 199
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 130 transition count 198
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 12 place count 128 transition count 188
Iterating global reduction 2 with 2 rules applied. Total rules applied 14 place count 128 transition count 188
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 15 place count 128 transition count 187
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 16 place count 127 transition count 179
Iterating global reduction 3 with 1 rules applied. Total rules applied 17 place count 127 transition count 179
Applied a total of 17 rules in 14 ms. Remains 127 /134 variables (removed 7) and now considering 179/208 (removed 29) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 127/134 places, 179/208 transitions.
// Phase 1: matrix 179 rows 127 cols
[2024-05-21 15:43:34] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[9]
RANDOM walk for 1000000 steps (229578 resets) in 1177 ms. (848 steps per ms)
BEST_FIRST walk for 1000001 steps (95644 resets) in 556 ms. (1795 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[9]
[2024-05-21 15:43:35] [INFO ] Invariant cache hit.
[2024-05-21 15:43:35] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2024-05-21 15:43:35] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-21 15:43:35] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-21 15:43:35] [INFO ] [Real]Added 58 Read/Feed constraints in 18 ms returned sat
[2024-05-21 15:43:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:43:35] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:43:35] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-21 15:43:35] [INFO ] [Nat]Added 58 Read/Feed constraints in 12 ms returned sat
[2024-05-21 15:43:35] [INFO ] Computed and/alt/rep : 50/117/50 causal constraints (skipped 128 transitions) in 11 ms.
[2024-05-21 15:43:36] [INFO ] Added : 11 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 77 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[9]
Support contains 1 out of 127 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 179/179 transitions.
Applied a total of 0 rules in 6 ms. Remains 127 /127 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 127/127 places, 179/179 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 179/179 transitions.
Applied a total of 0 rules in 5 ms. Remains 127 /127 variables (removed 0) and now considering 179/179 (removed 0) transitions.
[2024-05-21 15:43:36] [INFO ] Invariant cache hit.
[2024-05-21 15:43:36] [INFO ] Implicit Places using invariants in 111 ms returned []
[2024-05-21 15:43:36] [INFO ] Invariant cache hit.
[2024-05-21 15:43:36] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-21 15:43:36] [INFO ] Implicit Places using invariants and state equation in 282 ms returned []
Implicit Place search using SMT with State Equation took 417 ms to find 0 implicit places.
[2024-05-21 15:43:36] [INFO ] Redundant transitions in 5 ms returned []
Running 178 sub problems to find dead transitions.
[2024-05-21 15:43:36] [INFO ] Invariant cache hit.
[2024-05-21 15:43:36] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (OVERLAPS) 1/127 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (OVERLAPS) 179/306 variables, 127/129 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 58/187 constraints. Problems are: Problem set: 0 solved, 178 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 7 (OVERLAPS) 0/306 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 178 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 187 constraints, problems are : Problem set: 0 solved, 178 unsolved in 4429 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 127/127 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 178 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (OVERLAPS) 1/127 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/127 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (OVERLAPS) 179/306 variables, 127/129 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 58/187 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 178/365 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 8 (OVERLAPS) 0/306 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 178 unsolved
No progress, stopping.
After SMT solving in domain Int declared 306/306 variables, and 365 constraints, problems are : Problem set: 0 solved, 178 unsolved in 11881 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 127/127 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 0/0 constraints]
After SMT, in 16626ms problems are : Problem set: 0 solved, 178 unsolved
Search for dead transitions found 0 dead transitions in 16628ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17067 ms. Remains : 127/127 places, 179/179 transitions.
RANDOM walk for 40000 steps (9211 resets) in 159 ms. (250 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3864 resets) in 58 ms. (678 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3755 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 2426379 steps, run timeout after 3001 ms. (steps per millisecond=808 ) properties seen :1 out of 2
Probabilistic random walk after 2426379 steps, saw 986057 distinct states, run finished after 3001 ms. (steps per millisecond=808 ) properties seen :1
[2024-05-21 15:43:56] [INFO ] Invariant cache hit.
[2024-05-21 15:43:56] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 75/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 15/91 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 131/222 variables, 91/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 297/306 variables, and 124 constraints, problems are : Problem set: 1 solved, 0 unsolved in 93 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 122/127 constraints, ReadFeed: 0/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 113ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[9]
Ending property specific reduction for DBSingleClientW-PT-d2m09-UpperBounds-00 in 23067 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m09-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[3032]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[3032]
// Phase 1: matrix 208 rows 134 cols
[2024-05-21 15:43:56] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3032]
RANDOM walk for 10000 steps (2316 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (976 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3032]
[2024-05-21 15:43:56] [INFO ] Invariant cache hit.
[2024-05-21 15:43:56] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:43:56] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-21 15:43:56] [INFO ] State equation strengthened by 83 read => feed constraints.
[2024-05-21 15:43:56] [INFO ] [Real]Added 83 Read/Feed constraints in 10 ms returned sat
[2024-05-21 15:43:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:43:56] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-21 15:43:56] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2024-05-21 15:43:56] [INFO ] [Nat]Added 83 Read/Feed constraints in 15 ms returned sat
[2024-05-21 15:43:56] [INFO ] Computed and/alt/rep : 51/123/51 causal constraints (skipped 156 transitions) in 13 ms.
[2024-05-21 15:43:56] [INFO ] Deduced a trap composed of 16 places in 79 ms of which 1 ms to minimize.
[2024-05-21 15:43:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 96 ms
[2024-05-21 15:43:56] [INFO ] Added : 9 causal constraints over 2 iterations in 153 ms. Result :sat
Minimization took 136 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3032]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3032]
Support contains 1 out of 134 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 134/134 places, 208/208 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 131 transition count 205
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 131 transition count 205
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 131 transition count 204
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 129 transition count 201
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 129 transition count 201
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 12 place count 129 transition count 200
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 14 place count 127 transition count 191
Iterating global reduction 2 with 2 rules applied. Total rules applied 16 place count 127 transition count 191
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 17 place count 127 transition count 190
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 18 place count 126 transition count 183
Iterating global reduction 3 with 1 rules applied. Total rules applied 19 place count 126 transition count 183
Applied a total of 19 rules in 24 ms. Remains 126 /134 variables (removed 8) and now considering 183/208 (removed 25) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 126/134 places, 183/208 transitions.
// Phase 1: matrix 183 rows 126 cols
[2024-05-21 15:43:57] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3032]
RANDOM walk for 1000000 steps (229755 resets) in 1171 ms. (853 steps per ms)
BEST_FIRST walk for 1000001 steps (95341 resets) in 536 ms. (1862 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3032]
[2024-05-21 15:43:58] [INFO ] Invariant cache hit.
[2024-05-21 15:43:58] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:43:58] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-21 15:43:58] [INFO ] State equation strengthened by 64 read => feed constraints.
[2024-05-21 15:43:58] [INFO ] [Real]Added 64 Read/Feed constraints in 10 ms returned sat
[2024-05-21 15:43:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:43:58] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-21 15:43:58] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-21 15:43:58] [INFO ] [Nat]Added 64 Read/Feed constraints in 13 ms returned sat
[2024-05-21 15:43:58] [INFO ] Computed and/alt/rep : 49/115/49 causal constraints (skipped 133 transitions) in 15 ms.
[2024-05-21 15:43:59] [INFO ] Deduced a trap composed of 17 places in 70 ms of which 1 ms to minimize.
[2024-05-21 15:43:59] [INFO ] Deduced a trap composed of 15 places in 75 ms of which 2 ms to minimize.
[2024-05-21 15:43:59] [INFO ] Deduced a trap composed of 17 places in 69 ms of which 1 ms to minimize.
[2024-05-21 15:43:59] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 1 ms to minimize.
[2024-05-21 15:43:59] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 377 ms
[2024-05-21 15:43:59] [INFO ] Added : 19 causal constraints over 5 iterations in 473 ms. Result :sat
Minimization took 98 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3032]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3032]
Support contains 1 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 183/183 transitions.
Applied a total of 0 rules in 6 ms. Remains 126 /126 variables (removed 0) and now considering 183/183 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 126/126 places, 183/183 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 183/183 transitions.
Applied a total of 0 rules in 4 ms. Remains 126 /126 variables (removed 0) and now considering 183/183 (removed 0) transitions.
[2024-05-21 15:43:59] [INFO ] Invariant cache hit.
[2024-05-21 15:43:59] [INFO ] Implicit Places using invariants in 86 ms returned []
[2024-05-21 15:43:59] [INFO ] Invariant cache hit.
[2024-05-21 15:43:59] [INFO ] State equation strengthened by 64 read => feed constraints.
[2024-05-21 15:43:59] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 395 ms to find 0 implicit places.
[2024-05-21 15:43:59] [INFO ] Redundant transitions in 1 ms returned []
Running 182 sub problems to find dead transitions.
[2024-05-21 15:43:59] [INFO ] Invariant cache hit.
[2024-05-21 15:43:59] [INFO ] State equation strengthened by 64 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (OVERLAPS) 183/308 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/308 variables, 64/191 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/308 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (OVERLAPS) 1/309 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/309 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 182 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/309 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 182 unsolved
No progress, stopping.
After SMT solving in domain Real declared 309/309 variables, and 192 constraints, problems are : Problem set: 0 solved, 182 unsolved in 8227 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 64/64 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 182 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (OVERLAPS) 183/308 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/308 variables, 64/191 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/308 variables, 167/358 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/308 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (OVERLAPS) 1/309 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/309 variables, 15/374 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/309 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 11 (OVERLAPS) 0/309 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 182 unsolved
No progress, stopping.
After SMT solving in domain Int declared 309/309 variables, and 374 constraints, problems are : Problem set: 0 solved, 182 unsolved in 19508 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 64/64 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 0/0 constraints]
After SMT, in 27961ms problems are : Problem set: 0 solved, 182 unsolved
Search for dead transitions found 0 dead transitions in 27963ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28370 ms. Remains : 126/126 places, 183/183 transitions.
RANDOM walk for 40000 steps (9076 resets) in 139 ms. (285 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3667 resets) in 33 ms. (1176 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3770 resets) in 67 ms. (588 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 2547622 steps, run timeout after 3001 ms. (steps per millisecond=848 ) properties seen :1 out of 2
Probabilistic random walk after 2547622 steps, saw 1021594 distinct states, run finished after 3001 ms. (steps per millisecond=848 ) properties seen :1
[2024-05-21 15:44:31] [INFO ] Invariant cache hit.
[2024-05-21 15:44:31] [INFO ] State equation strengthened by 64 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/21 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 144/165 variables, 14/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/165 variables, 29/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/165 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 69/234 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/234 variables, 50/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/234 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/249 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/249 variables, 11/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/249 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 309/309 variables, and 157 constraints, problems are : Problem set: 1 solved, 0 unsolved in 143 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 29/64 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 155ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[3032]
Ending property specific reduction for DBSingleClientW-PT-d2m09-UpperBounds-01 in 34747 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m09-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
// Phase 1: matrix 208 rows 134 cols
[2024-05-21 15:44:31] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2312 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10001 steps (989 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2024-05-21 15:44:31] [INFO ] Invariant cache hit.
[2024-05-21 15:44:31] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 16 ms returned sat
[2024-05-21 15:44:31] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-21 15:44:31] [INFO ] State equation strengthened by 83 read => feed constraints.
[2024-05-21 15:44:31] [INFO ] [Real]Added 83 Read/Feed constraints in 16 ms returned sat
[2024-05-21 15:44:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:44:31] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2024-05-21 15:44:31] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-21 15:44:31] [INFO ] [Nat]Added 83 Read/Feed constraints in 19 ms returned sat
[2024-05-21 15:44:31] [INFO ] Computed and/alt/rep : 51/123/51 causal constraints (skipped 156 transitions) in 23 ms.
[2024-05-21 15:44:31] [INFO ] Added : 13 causal constraints over 3 iterations in 82 ms. Result :sat
Minimization took 137 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 134 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 134/134 places, 208/208 transitions.
Graph (complete) has 465 edges and 134 vertex of which 133 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 133 transition count 206
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 6 place count 130 transition count 199
Iterating global reduction 1 with 3 rules applied. Total rules applied 9 place count 130 transition count 199
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 130 transition count 198
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 12 place count 128 transition count 189
Iterating global reduction 2 with 2 rules applied. Total rules applied 14 place count 128 transition count 189
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 15 place count 127 transition count 188
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 127 transition count 188
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 17 place count 127 transition count 187
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 18 place count 126 transition count 180
Iterating global reduction 3 with 1 rules applied. Total rules applied 19 place count 126 transition count 180
Applied a total of 19 rules in 13 ms. Remains 126 /134 variables (removed 8) and now considering 180/208 (removed 28) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 126/134 places, 180/208 transitions.
// Phase 1: matrix 180 rows 126 cols
[2024-05-21 15:44:31] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 1000000 steps (229941 resets) in 1114 ms. (896 steps per ms)
BEST_FIRST walk for 1000000 steps (95555 resets) in 516 ms. (1934 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2024-05-21 15:44:33] [INFO ] Invariant cache hit.
[2024-05-21 15:44:33] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:44:33] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-21 15:44:33] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-21 15:44:33] [INFO ] [Real]Added 58 Read/Feed constraints in 10 ms returned sat
[2024-05-21 15:44:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:44:33] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:44:33] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-21 15:44:33] [INFO ] [Nat]Added 58 Read/Feed constraints in 12 ms returned sat
[2024-05-21 15:44:33] [INFO ] Computed and/alt/rep : 50/119/50 causal constraints (skipped 129 transitions) in 13 ms.
[2024-05-21 15:44:33] [INFO ] Added : 16 causal constraints over 4 iterations in 66 ms. Result :sat
Minimization took 67 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 180/180 transitions.
Applied a total of 0 rules in 4 ms. Remains 126 /126 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 126/126 places, 180/180 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 180/180 transitions.
Applied a total of 0 rules in 4 ms. Remains 126 /126 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2024-05-21 15:44:33] [INFO ] Invariant cache hit.
[2024-05-21 15:44:33] [INFO ] Implicit Places using invariants in 87 ms returned []
[2024-05-21 15:44:33] [INFO ] Invariant cache hit.
[2024-05-21 15:44:34] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-21 15:44:34] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 320 ms to find 0 implicit places.
[2024-05-21 15:44:34] [INFO ] Redundant transitions in 2 ms returned []
Running 179 sub problems to find dead transitions.
[2024-05-21 15:44:34] [INFO ] Invariant cache hit.
[2024-05-21 15:44:34] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (OVERLAPS) 180/306 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (OVERLAPS) 0/306 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 186 constraints, problems are : Problem set: 0 solved, 179 unsolved in 6054 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 179 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (OVERLAPS) 180/306 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 179/365 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 8 (OVERLAPS) 0/306 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Int declared 306/306 variables, and 365 constraints, problems are : Problem set: 0 solved, 179 unsolved in 12754 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 0/0 constraints]
After SMT, in 19043ms problems are : Problem set: 0 solved, 179 unsolved
Search for dead transitions found 0 dead transitions in 19045ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19388 ms. Remains : 126/126 places, 180/180 transitions.
RANDOM walk for 40000 steps (9115 resets) in 127 ms. (312 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3889 resets) in 56 ms. (701 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3662 resets) in 37 ms. (1052 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 2661739 steps, run timeout after 3001 ms. (steps per millisecond=886 ) properties seen :1 out of 2
Probabilistic random walk after 2661739 steps, saw 1074647 distinct states, run finished after 3002 ms. (steps per millisecond=886 ) properties seen :1
[2024-05-21 15:44:56] [INFO ] Invariant cache hit.
[2024-05-21 15:44:56] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 74/75 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 15/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 131/221 variables, 90/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/221 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 297/306 variables, and 123 constraints, problems are : Problem set: 1 solved, 0 unsolved in 82 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 121/126 constraints, ReadFeed: 0/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 102ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d2m09-UpperBounds-06 in 25299 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m09-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[3032]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[3032]
// Phase 1: matrix 208 rows 134 cols
[2024-05-21 15:44:56] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3032]
RANDOM walk for 10000 steps (2306 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10000 steps (915 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3032]
[2024-05-21 15:44:56] [INFO ] Invariant cache hit.
[2024-05-21 15:44:56] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:44:56] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2024-05-21 15:44:56] [INFO ] State equation strengthened by 83 read => feed constraints.
[2024-05-21 15:44:56] [INFO ] [Real]Added 83 Read/Feed constraints in 17 ms returned sat
[2024-05-21 15:44:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:44:56] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-21 15:44:56] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-21 15:44:56] [INFO ] [Nat]Added 83 Read/Feed constraints in 15 ms returned sat
[2024-05-21 15:44:56] [INFO ] Computed and/alt/rep : 51/123/51 causal constraints (skipped 156 transitions) in 12 ms.
[2024-05-21 15:44:56] [INFO ] Deduced a trap composed of 17 places in 67 ms of which 1 ms to minimize.
[2024-05-21 15:44:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 83 ms
[2024-05-21 15:44:56] [INFO ] Added : 12 causal constraints over 3 iterations in 154 ms. Result :sat
Minimization took 137 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3032]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3032]
Support contains 1 out of 134 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 134/134 places, 208/208 transitions.
Graph (complete) has 465 edges and 134 vertex of which 133 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 133 transition count 206
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 6 place count 130 transition count 199
Iterating global reduction 1 with 3 rules applied. Total rules applied 9 place count 130 transition count 199
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 11 place count 128 transition count 196
Iterating global reduction 1 with 2 rules applied. Total rules applied 13 place count 128 transition count 196
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 14 place count 128 transition count 195
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 16 place count 126 transition count 186
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 126 transition count 186
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 19 place count 126 transition count 185
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 20 place count 125 transition count 178
Iterating global reduction 3 with 1 rules applied. Total rules applied 21 place count 125 transition count 178
Applied a total of 21 rules in 34 ms. Remains 125 /134 variables (removed 9) and now considering 178/208 (removed 30) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 125/134 places, 178/208 transitions.
// Phase 1: matrix 178 rows 125 cols
[2024-05-21 15:44:57] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3032]
RANDOM walk for 1000000 steps (229708 resets) in 1120 ms. (892 steps per ms)
BEST_FIRST walk for 1000000 steps (95766 resets) in 518 ms. (1926 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3032]
[2024-05-21 15:44:58] [INFO ] Invariant cache hit.
[2024-05-21 15:44:58] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-21 15:44:58] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-21 15:44:58] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-21 15:44:58] [INFO ] [Real]Added 58 Read/Feed constraints in 11 ms returned sat
[2024-05-21 15:44:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 15:44:58] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-21 15:44:58] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-21 15:44:58] [INFO ] [Nat]Added 58 Read/Feed constraints in 14 ms returned sat
[2024-05-21 15:44:58] [INFO ] Computed and/alt/rep : 49/117/49 causal constraints (skipped 128 transitions) in 10 ms.
[2024-05-21 15:44:59] [INFO ] Deduced a trap composed of 12 places in 70 ms of which 1 ms to minimize.
[2024-05-21 15:44:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 97 ms
[2024-05-21 15:44:59] [INFO ] Added : 11 causal constraints over 3 iterations in 158 ms. Result :sat
Minimization took 88 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3032]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3032]
Support contains 1 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 125/125 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2024-05-21 15:44:59] [INFO ] Invariant cache hit.
[2024-05-21 15:44:59] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-21 15:44:59] [INFO ] Invariant cache hit.
[2024-05-21 15:44:59] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-21 15:44:59] [INFO ] Implicit Places using invariants and state equation in 213 ms returned []
Implicit Place search using SMT with State Equation took 316 ms to find 0 implicit places.
[2024-05-21 15:44:59] [INFO ] Redundant transitions in 0 ms returned []
Running 177 sub problems to find dead transitions.
[2024-05-21 15:44:59] [INFO ] Invariant cache hit.
[2024-05-21 15:44:59] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (OVERLAPS) 0/303 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 185 constraints, problems are : Problem set: 0 solved, 177 unsolved in 4968 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 177/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/303 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 303/303 variables, and 362 constraints, problems are : Problem set: 0 solved, 177 unsolved in 13257 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints]
After SMT, in 18460ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 18461ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18798 ms. Remains : 125/125 places, 178/178 transitions.
RANDOM walk for 40000 steps (9244 resets) in 93 ms. (425 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3789 resets) in 41 ms. (952 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3835 resets) in 47 ms. (833 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 2677046 steps, run timeout after 3001 ms. (steps per millisecond=892 ) properties seen :1 out of 2
Probabilistic random walk after 2677046 steps, saw 1080368 distinct states, run finished after 3001 ms. (steps per millisecond=892 ) properties seen :1
[2024-05-21 15:45:21] [INFO ] Invariant cache hit.
[2024-05-21 15:45:21] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 131/134 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 72/206 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 53/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/221 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 11/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 303/303 variables, and 136 constraints, problems are : Problem set: 1 solved, 0 unsolved in 136 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 9/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 141ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[3032]
Ending property specific reduction for DBSingleClientW-PT-d2m09-UpperBounds-14 in 24777 ms.
[2024-05-21 15:45:21] [INFO ] Flatten gal took : 75 ms
[2024-05-21 15:45:21] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/UpperBounds.sr.xml took 16 ms.
[2024-05-21 15:45:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 134 places, 208 transitions and 820 arcs took 4 ms.
Total runtime 206433 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running DBSingleClientW-PT-d2m09
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/406/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 134
TRANSITIONS: 208
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.002s, Sys 0.003s]
SAVING FILE /home/mcc/execution/406/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES
Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net
Process ID: 847
MODEL NAME: /home/mcc/execution/406/model
134 places, 208 transitions.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-00 1 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-06 1 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-01 1 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-14 1 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------
BK_STOP 1716306335389
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DBSingleClientW-PT-d2m09"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is DBSingleClientW-PT-d2m09, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r091-tall-171624188000589"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m09.tgz
mv DBSingleClientW-PT-d2m09 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;